A Quad-Polarization and Beam Agile Array Antenna Using Rat-Race Coupler and Switched-Line Phase Shifter by Maodudul Hasan, Eisuke Nishiyama, Ichihiko Toyoda

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A 2.45- and 5.8-GHz Dual-Band Stacked Differential Rectenna With High Conversion Efficiency in Low Power Density Environment by Kento Saito, Eisuke Nishiyama, Ichihiko Toyoda

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A Dual-Axis Wide-Beam Microstrip Patch Antenna Using Linear Parasitic Line Elements by Maodudul Hasan, Eisuke Nishiyama, Ichihiko Toyoda

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An Electrically Reconfigurable Circularly-Polarized Planar Array Antenna With Built-In Bias-Isolation Mechanism by Htet Wai Htun, Eisuke Nishiyama, Ichihiko Toyoda

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A Single-Layer Planar Array Antenna Using Circularly-Polarized Reconfigurable Elements for Conical-Beam Radiation by Htet Wai Htun, Eisuke Nishiyama, Ichihiko Toyoda

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A phase shift keying modulator integrated single‐feed circular polarization agile array antenna by Thet Paing Phyoe, Maodudul Hasan, Eisuke Nishiyama, Ichihiko Toyoda

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A novel dual-band elliptical ring slot MIMO antenna with orthogonal circular polarization for 5G applications by Swarup Chakraborty, Muhammad Asad Rahman, Md. Azad Hossain, Eisuke Nishiyama, Ichihiko Toyoda

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A penta‐band microstrip slot antenna for S‐, C‐ and X‐band applications by Muhammad Asad Rahman, MD Shahidul Islam, MD Shakil Hossain, Maodudul Hasan, Eisuke Nishiyama, Ichihiko Toyoda

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